- Low Water Level Status:
- Flood Status:
Flood Notices:
Green: NORMAL: Conditions are within NORMAL limits. No flooding is expected.
Yellow: HIGH WATER WATERSHED CONDITIONS BULLETIN: unsafe lake, river and channel conditions exist.
Orange: FLOOD ADVISORY: potential for flooding exists within specific watercourses.
Red: FLOOD WARNING: flooding is imminent or occurring within specific watercourses.
More information about flood notices.
Low Water Conditions:
Green: Conditions are normal
Yellow: Level I
Level I is the first condition of a potential water supply problem.
Orange: Level II
Level II indicates a potentially serious water supply problem.
Red: Level III
Level III indicates the water supply has already failed, or will fail, to meet the water demands.
Status indicator
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NORMAL generally indicates low flow to base flow conditions. It should be noted that during Normal flow conditions, the inherent risk to personal safety associated with flowing water still exists. |
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Level 1 Flows are below 70 percent of their normal summer low flow. Water users are asked to reduce their consumption by 10 per cent. |
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Level 2 Flows are below 50 percent of their normal summer low flow. Water users are asked to reduce their consumption by 20 per cent. |
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Level 3 Flows are below 30 percent of their normal summer low flow and there is potential for economic harm to water takers and/or significant harm to the ecosystem. The Water Response Team may ask the province to impose mandatory restrictions on those holding Permits to Take Water. |
Status indicator
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NORMAL generally indicates low flow to base flow conditions. It should be noted that during Normal flow conditions, the inherent risk to personal safety associated with flowing water still exists. |
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HIGH WATER SAFETY BULLETIN is a general notice that indicates conditions exist that could pose a risk to personal safety. High Water Safety Bulletins may be posted when streams are flowing at or near bankfull levels, when ice conditions are unsafe, or when stream banks are icy, soft and/or slippery. |
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FLOOD ADVISORY is a notice of potential for flooding to occur in the near future and that measures should be taken to prepare for a possible emergency. Flood Advisories may be updated depending upon the weather and runoff conditions, and will be followed by a notice of cancellation once the potential for flooding has passed. |
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FLOOD WARNING is a notice that flooding is imminent or occurring and that action is required by municipalities and emergency services. Flood Warnings may be updated depending upon weather and runoff conditions, and will be followed by a noticed of cancellation once the potential for flooding has passed. |
News & Events
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Job Openings Ecological Land Classification Positions
In 1993 and again in 2003, the Hamilton Conservation Authority and its partners hired contract staff to inventory natural areas in the City of Hamilton. After ten years, it is…
Written on Wednesday, 01 February 2012 16:53
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Board of Directors Agenda for Feb. 2
AGENDA FOR BOARD OF DIRECTORS MEETING FEBRUARY 2, 2012 February 2012 Board PackageMeeting minutes in this package are not yet approved and subject to change. CALL TO ORDER - McHattie …
Written on Friday, 27 January 2012 13:59
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Valens Icefest 2012
Come celebrate the winter season at Valens Conservation Area, on Sunday February 19th. Participate in activities and games, grab a hot lunch from the Strabane Optimists Club, and sweeten your…
Written on Thursday, 19 January 2012 15:32
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2012 Summer Positions in Conservation Areas now Posted
Please note we are having technical difficulties with our Online Application Form...Sorry for any inconvenience Join our team this summer and contribute to the environment and your community. Life in…
Written on Friday, 13 January 2012 20:00
HCA Development, Interference with Wetlands, and Alterations to Shorelines and Watercourses Regulation 161/06
If you have a stream on your property or if your lot backs onto a ravine, wetland, steep slope or the Hamilton Harbour/Lake Ontario, you are probably affected by this regulation. Construction and development in these areas are regulated to control changes to watercourses, floodplains, wetlands and steep slopes, in order to prevent flooding and erosion problems. They are also in place to conserve the environment and its associated natural features.
Click here to view regulation mapping.
The types of land affected include
- Ravines, valleys, sections of the Niagara Escarpment and other steep slopes
- Wetlands, including swamps, marshes, bogs, fens and ponds
- Any river, creek, stream, flood plain or Dundas Valley land
- Hamilton Harbour and Lake Ontario Shoreline
- Adjacent lands to the above natural features
If your property is regulated, you will require written approval from the Conservation Authority before proceeding with any of the following projects:
- Site grading, temporary or permanent placing, dumping or removal of any material originating on the site or elsewhere (including disposal of unwanted material)
- Construction, reconstruction, erection or placing of a building or structure of any kind (including additions, accessory structures or replacement of existing buildings, installation of swimming pools, decks, retaining walls, etc.) Any change to a building or structure that would have the effect of altering the use or potential use of the building or structure, increasing the size of the building or structure or increasing the number of dwelling units in the building or structure
- Alteration of a watercourse (including channelizations, retaining walls, revetments, bridges, culverts, docks, erosion protection measures). NOTE: alteration means to straighten, change, divert or interfere in any way.
Browse the links below to learn more about HCA Planning and Permit services. Click here to view regulation mapping.
